There's been cases where TVs sent data signals back to the cable boxes over coax. There's now high-frequency, outside-human-hearing ID triggers the that are rel

There's been cases where TVs sent data signals back to the cable boxes over coax. There's now high-frequency, outside-human-hearing ID triggers the that are released into the air and ‘heard’ by smart phones with proprietary apps installed with trackers and too many permissions allowed. They can even send out signals via gyroscopes.